Leases - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Lessee Lease Description [Line Items]
Total rent expense	$ 0.3	$ 0.3
Lessee, Operating Lease, Existence of Option to Extend [true false]	true
Weighted average remaining operating lease term	2 years 3 months 18 days
Weighted average discount rate of operating lease	5.90%
Operating lease liabilities, cash paid	$ 0.3
Minimum
Lessee Lease Description [Line Items]
Remaining lease term	1 year
Maximum
Lessee Lease Description [Line Items]
Remaining lease term	4 years
Operating leases, options to extend leases term	5 years